HistoryThe following is taken from New York in the War of the Rebellion, 28th ed.
Frederick Phisterer. Albany: J. B. Lyon Company, 1912.

Mustered in: December 27, 1862.
Mustered out: July 31, 1865.

November 26, 1862, the organizations forming for the Anthon (Willard) Battalion
of Artillery were consolidated in two batteries, of which the second received
the above numerical designation. This battery was organized at New York city,
Forts Columbus and Schuyler, New York harbor, and mustered in the service of
the United States at Fort Schuyler for three years December 27, 1862. The men
were recruited principally at New York city, Avoca, Campbell, Cape Vincent,
Cohocton, Howard, Lynn, Sackett's Harbor, Watertown, Wayland and Urbana. At
its muster-in it was commanded by Capt Cyprian H. Millard, served at Fort Schuyler
and Sandy Hook, Department of the East, and, commanded by Capt Josiah C. Hannum,
it was honorably discharged and mustered out July 31, 1865, at New York city,
having lost by death of disease and other causes, eight enlisted men.